These include Jesse Timmendequas, a sex offender convicted of murdering seven-year-old Megan Kanka in 1994.
He was also ordered to register with the police as a sex offender until further notice.
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He was also ordered to register as a sex offender for life, on his release from prison.
Jaji was sentenced to a 10-month detention and training order but was not registered as a sex offender.
He was also jailed for failing to comply with notification requirements enforced on him as a sex offender.
Last year he was sentenced to five years' probation, ordered to register as a sex offender and undergo counselling.
If you havent been civilly committed then you should not have to be required to register as a sex offender.
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"It's incredibly difficult to have confidence that someone has changed their behaviour if they are a sex offender, " he says.
Police arrested Naecher for failing to register as a sex offender (he may also face federal charges for crossing state lines).
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Children's services manager Denise Moultrie said she believed many professionals were reluctant to label a young person as a sex offender.
On Thursday, the authorities in Sarasota, Florida, arrested Mr Jones and charged him with failing to register as a sex offender.
He was labeled a sex offender and put on lifetime parole.
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How does she respond to the view that sex offenders cannot be treated and rehabilitated, that once they are a sex offender, they will always be a sex offender?
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In 2009, Jonathan Cooper, who was serving a 30-year manslaughter sentence in Mississippi, was brought to Chicago to face charges that he failed to register as a sex offender.
And over the whole period it has been in existence, police received 74 applications for information from the public, 14 of which resulted in disclosure of information about a sex offender.
Linda Walker is the mother of Dru Sjodin, who was killed in 2003 by a sex offender and for whom the Department of Justice's National Sex Offender Public Website is named.
One accusation identifies Pope Benedict, when he was archbishop of Munich, as leading a meeting that approved the transfer of a sex offender who was later convicted of molesting boys at a different parish.
State courts can impose limits on social media as a condition of a sex offender's probation or parole, but a "blanket ban" on Internet use violates the First Amendment's guarantee of free expression, the judges found.
In 25 of those cases, child concern reports were raised and action was taken by police, social work and other agencies, although this may be because of alcoholism or drug use, rather than because someone with access to a child is a sex offender.
Ms. LITHWICK: Well it's you know, the Supreme Court heard a pair of cases in 2003, about similar - they are called Megan's Laws, named after Megan Kanka the little girl who was killed by a sex offender who it turned out lived in her neighborhood.
The report by Her Majesty's Inspectorate of Constabulary (HMIC) - which was commissioned by the home secretary to find out how much police knew about Savile before he was exposed as a sex offender in 2012 - also warned that failures to share intelligence on a prolific offender could happen again.
Matthew Ryan Buquet, a 37-year-old janitor and a registered sex offender, was charged last week with mailing a threatening communication.
An investigation has been opened into how a known sex offender gained work at an Essex hospital.
They have described the former BBC presenter and DJ, who died in October 2011 aged 84, as a predatory sex offender.
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She allegedly was kept in a series of backyard sheds by a convicted sex offender and gave birth to two children in captivity.
As soon as Gravens was released on parole in 2003 as a registered sex offender, it was clear his life wouldn't be the same.
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Dugard's real identity was discovered last week and her alleged kidnappers -- Garrido, a registered sex offender, and his 55-year-old wife, Nancy -- were arrested.
CNN: Kidnap victim's daughters' lives seemed normal, friend says
News came this week of the safe recovery of an eight-year-old Idaho girl who had been abducted and held for nearly seven weeks by a convicted sex offender.
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